110002000021220 has 12 divisors (see below), whose sum is σ = 231004200044604. Its totient is φ = 44000800008480.

The previous prime is 110002000021189. The next prime is 110002000021223. The reversal of 110002000021220 is 22120000200011.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 46235131328164 + 63766868693056 = 6799642^2 + 7985416^2 .

It is not an unprimeable number, because it can be changed into a prime (110002000021223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2750050000511 + ... + 2750050000550.

It is an arithmetic number, because the mean of its divisors is an integer number (19250350003717).

Almost surely, 2^{110002000021220} is an apocalyptic number.

110002000021220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

110002000021220 is an abundant number, since it is smaller than the sum of its proper divisors (121002200023384).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

110002000021220 is a wasteful number, since it uses less digits than its factorization.

110002000021220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5500100001070 (or 5500100001068 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 110002000021220 its reverse (22120000200011), we get a palindrome (132122000221231).

The spelling of 110002000021220 in words is "one hundred ten trillion, two billion, twenty-one thousand, two hundred twenty".